/*
* Copyright 2012-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.gradle.plugin;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.util.concurrent.Callable;
import org.gradle.api.GradleException;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.distribution.Distribution;
import org.gradle.api.distribution.DistributionContainer;
import org.gradle.api.file.CopySpec;
import org.gradle.api.file.FileCollection;
import org.gradle.api.plugins.ApplicationPlugin;
import org.gradle.api.plugins.ApplicationPluginConvention;
import org.gradle.jvm.application.scripts.TemplateBasedScriptGenerator;
import org.springframework.boot.gradle.tasks.application.CreateBootStartScripts;
/**
* Action that is executed in response to the {@link ApplicationPlugin} being applied.
*
* @author Andy Wilkinson
*/
final class ApplicationPluginAction implements PluginApplicationAction {
@Override
public void execute(Project project) {
ApplicationPluginConvention applicationConvention = project.getConvention()
.getPlugin(ApplicationPluginConvention.class);
DistributionContainer distributions = project.getExtensions()
.getByType(DistributionContainer.class);
Distribution distribution = distributions.create("boot");
CreateBootStartScripts bootStartScripts = project.getTasks()
.create("bootStartScripts", CreateBootStartScripts.class);
bootStartScripts.setDescription("Generates OS-specific start scripts to run the"
+ " project as a Spring Boot application.");
((TemplateBasedScriptGenerator) bootStartScripts.getUnixStartScriptGenerator())
.setTemplate(project.getResources().getText()
.fromString(loadResource("/unixStartScript.txt")));
((TemplateBasedScriptGenerator) bootStartScripts.getWindowsStartScriptGenerator())
.setTemplate(project.getResources().getText()
.fromString(loadResource("/windowsStartScript.txt")));
project.getConfigurations().all(configuration -> {
if ("bootArchives".equals(configuration.getName())) {
distribution.getContents()
.with(project.copySpec().into("lib")
.from((Callable<FileCollection>) () -> configuration
.getArtifacts().getFiles()));
bootStartScripts.setClasspath(configuration.getArtifacts().getFiles());
}
});
bootStartScripts.getConventionMapping().map("outputDir",
() -> new File(project.getBuildDir(), "bootScripts"));
bootStartScripts.getConventionMapping().map("applicationName",
() -> applicationConvention.getApplicationName());
CopySpec binCopySpec = project.copySpec().into("bin").from(bootStartScripts);
binCopySpec.setFileMode(0x755);
distribution.getContents().with(binCopySpec);
}
@Override
public Class<? extends Plugin<Project>> getPluginClass() {
return ApplicationPlugin.class;
}
private String loadResource(String name) {
InputStreamReader reader = new InputStreamReader(
getClass().getResourceAsStream(name));
char[] buffer = new char[4096];
int read = 0;
StringWriter writer = new StringWriter();
try {
while ((read = reader.read(buffer)) > 0) {
writer.write(buffer, 0, read);
}
return writer.toString();
}
catch (IOException ex) {
throw new GradleException("Failed to read '" + name + "'", ex);
}
finally {
try {
reader.close();
}
catch (IOException ex) {
// Continue
}
}
}
}